APA aipamena

Ettema, D., & Timmermans, H. J. P. (1997). Activity-based approaches to travel analysis. Pergamon.

Chicago Style aipamena

Ettema, Dick, and H. J. P. Timmermans. Activity-based Approaches to Travel Analysis. [S.l.]: Pergamon, 1997.

MLA aipamena

Ettema, Dick, and H. J. P. Timmermans. Activity-based Approaches to Travel Analysis. Pergamon, 1997.